6th Separate Cossack Motorized Rifle Brigade

The 6th Separate Cossack Motorized Rifle Brigade also known as the 6th Separate Guards Motorized Rifle Lisichansk Cossack Brigade named after Matvei Platov (6-я отдельная гвардейская мотострелковая Лисичанская казачья бригада имени Матвея Платова, 6 oгmкбр; Military Unit Number 69647) is a military unit of Russian Ground Forces. Until January 1, 2023, it was part of the Luhansk People's Militia. It is attached to the 2nd Army Corps.

War in Donbas
The 6th Separate Cossack Motorized Rifle Brigade was formed in 2014 as the 1st Cossack Regiment. It was under the command of Pavel Dremov. On 9 January 2015, the regiment was renamed as the 6th Separate Cossack Motorized Rifle Regiment. The regiment would then take part in the Battle of Debaltseve. On 12 December 2015, regiment's commander, Pavel Dremov was killed on a highway near Pervomaisk.

Russian invasion of Ukraine
The regiment took part in the battle of Lysychansk, where 240 members of the regiment were killed. In 2023, the regiment was transformed into a brigade and became attached to the 2nd Army Corps. The brigade took part in the 2023 Ukrainian counteroffensive.